205775415

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 385145280

約数和(自身を除く): 179369865

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 95, 159, 171, 239, 265, 285, 361, 477, 717, 795, 855, 1007, 1083, 1195, 1805, 2151, 2385, 3021, 3249, 3585, 4541, 5035, 5415, 9063, 10755, 12667, 13623, 15105, 16245, 19133, 22705, 38001, 40869, 45315, 57399, 63335, 68115, 86279, 95665, 114003, 172197, 190005, 204345, 240673, 258837, 286995, 431395, 570015, 722019, 776511, 860985, 1203365, 1294185, 2166057, 3610095, 3882555, 4572787, 10830285, 13718361, 22863935, 41155083, 68591805, 205775415]

約数ペア:

[(1, 205775415), (3, 68591805), (5, 41155083), (9, 22863935), (15, 13718361), (19, 10830285), (45, 4572787), (53, 3882555), (57, 3610095), (95, 2166057), (159, 1294185), (171, 1203365), (239, 860985), (265, 776511), (285, 722019), (361, 570015), (477, 431395), (717, 286995), (795, 258837), (855, 240673), (1007, 204345), (1083, 190005), (1195, 172197), (1805, 114003), (2151, 95665), (2385, 86279), (3021, 68115), (3249, 63335), (3585, 57399), (4541, 45315), (5035, 40869), (5415, 38001), (9063, 22705), (10755, 19133), (12667, 16245), (13623, 15105)]