291239505

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6427}}^1$

素因数の和:6510

約数の個数: 48

約数和(自身を含む): 541494720

約数和(自身を除く): 250255215

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 265, 285, 477, 795, 855, 1007, 2385, 3021, 5035, 6427, 9063, 15105, 19281, 32135, 45315, 57843, 96405, 122113, 289215, 340631, 366339, 610565, 1021893, 1099017, 1703155, 1831695, 3065679, 5109465, 5495085, 6471989, 15328395, 19415967, 32359945, 58247901, 97079835, 291239505]

約数ペア:

[(1, 291239505), (3, 97079835), (5, 58247901), (9, 32359945), (15, 19415967), (19, 15328395), (45, 6471989), (53, 5495085), (57, 5109465), (95, 3065679), (159, 1831695), (171, 1703155), (265, 1099017), (285, 1021893), (477, 610565), (795, 366339), (855, 340631), (1007, 289215), (2385, 122113), (3021, 96405), (5035, 57843), (6427, 45315), (9063, 32135), (15105, 19281)]