31409910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{16619}}^1$

素因数の和:16642

約数の個数: 64

約数和(自身を含む): 95731200

約数和(自身を除く): 64321290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 16619, 33238, 49857, 83095, 99714, 116333, 149571, 166190, 232666, 249285, 299142, 348999, 448713, 498570, 581665, 697998, 747855, 897426, 1046997, 1163330, 1495710, 1744995, 2093994, 2243565, 3140991, 3489990, 4487130, 5234985, 6281982, 10469970, 15704955, 31409910]

約数ペア:

[(1, 31409910), (2, 15704955), (3, 10469970), (5, 6281982), (6, 5234985), (7, 4487130), (9, 3489990), (10, 3140991), (14, 2243565), (15, 2093994), (18, 1744995), (21, 1495710), (27, 1163330), (30, 1046997), (35, 897426), (42, 747855), (45, 697998), (54, 581665), (63, 498570), (70, 448713), (90, 348999), (105, 299142), (126, 249285), (135, 232666), (189, 166190), (210, 149571), (270, 116333), (315, 99714), (378, 83095), (630, 49857), (945, 33238), (1890, 16619)]