31049325

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 29884275

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 243, 269, 285, 405, 475, 513, 675, 807, 855, 1215, 1345, 1425, 1539, 2025, 2421, 2565, 4035, 4275, 4617, 5111, 6075, 6725, 7263, 7695, 12105, 12825, 15333, 20175, 21789, 23085, 25555, 36315, 38475, 45999, 60525, 65367, 76665, 108945, 115425, 127775, 137997, 181575, 229995, 326835, 383325, 413991, 544725, 689985, 1149975, 1241973, 1634175, 2069955, 3449925, 6209865, 10349775, 31049325]

約数ペア:

[(1, 31049325), (3, 10349775), (5, 6209865), (9, 3449925), (15, 2069955), (19, 1634175), (25, 1241973), (27, 1149975), (45, 689985), (57, 544725), (75, 413991), (81, 383325), (95, 326835), (135, 229995), (171, 181575), (225, 137997), (243, 127775), (269, 115425), (285, 108945), (405, 76665), (475, 65367), (513, 60525), (675, 45999), (807, 38475), (855, 36315), (1215, 25555), (1345, 23085), (1425, 21789), (1539, 20175), (2025, 15333), (2421, 12825), (2565, 12105), (4035, 7695), (4275, 7263), (4617, 6725), (5111, 6075)]