201980655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 396103680

約数和(自身を除く): 194123025

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 167, 255, 279, 289, 459, 465, 501, 527, 765, 835, 837, 867, 1395, 1445, 1503, 1581, 2295, 2505, 2601, 2635, 2839, 4185, 4335, 4509, 4743, 5177, 7515, 7803, 7905, 8517, 8959, 13005, 14195, 14229, 15531, 22545, 23715, 25551, 25885, 26877, 39015, 42585, 44795, 46593, 48263, 71145, 76653, 77655, 80631, 88009, 127755, 134385, 139779, 144789, 232965, 241315, 241893, 264027, 383265, 403155, 434367, 440045, 698895, 723945, 792081, 1209465, 1303101, 1320135, 1496153, 2171835, 2376243, 3960405, 4488459, 6515505, 7480765, 11881215, 13465377, 22442295, 40396131, 67326885, 201980655]

約数ペア:

[(1, 201980655), (3, 67326885), (5, 40396131), (9, 22442295), (15, 13465377), (17, 11881215), (27, 7480765), (31, 6515505), (45, 4488459), (51, 3960405), (85, 2376243), (93, 2171835), (135, 1496153), (153, 1320135), (155, 1303101), (167, 1209465), (255, 792081), (279, 723945), (289, 698895), (459, 440045), (465, 434367), (501, 403155), (527, 383265), (765, 264027), (835, 241893), (837, 241315), (867, 232965), (1395, 144789), (1445, 139779), (1503, 134385), (1581, 127755), (2295, 88009), (2505, 80631), (2601, 77655), (2635, 76653), (2839, 71145), (4185, 48263), (4335, 46593), (4509, 44795), (4743, 42585), (5177, 39015), (7515, 26877), (7803, 25885), (7905, 25551), (8517, 23715), (8959, 22545), (13005, 15531), (14195, 14229)]