38129805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 78266880

約数和(自身を除く): 40137075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 157, 189, 257, 315, 471, 771, 785, 945, 1099, 1285, 1413, 1799, 2313, 2355, 3297, 3855, 4239, 5397, 5495, 6939, 7065, 8995, 9891, 11565, 16191, 16485, 21195, 26985, 29673, 34695, 40349, 48573, 49455, 80955, 121047, 148365, 201745, 242865, 282443, 363141, 605235, 847329, 1089423, 1412215, 1815705, 2541987, 4236645, 5447115, 7625961, 12709935, 38129805]

約数ペア:

[(1, 38129805), (3, 12709935), (5, 7625961), (7, 5447115), (9, 4236645), (15, 2541987), (21, 1815705), (27, 1412215), (35, 1089423), (45, 847329), (63, 605235), (105, 363141), (135, 282443), (157, 242865), (189, 201745), (257, 148365), (315, 121047), (471, 80955), (771, 49455), (785, 48573), (945, 40349), (1099, 34695), (1285, 29673), (1413, 26985), (1799, 21195), (2313, 16485), (2355, 16191), (3297, 11565), (3855, 9891), (4239, 8995), (5397, 7065), (5495, 6939)]