39979875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 73382400

約数和(自身を除く): 33402525

約数列:

[1, 3, 5, 13, 15, 25, 39, 59, 65, 75, 125, 139, 177, 195, 295, 325, 375, 417, 695, 767, 885, 975, 1475, 1625, 1807, 2085, 2301, 3475, 3835, 4425, 4875, 5421, 7375, 8201, 9035, 10425, 11505, 17375, 19175, 22125, 24603, 27105, 41005, 45175, 52125, 57525, 95875, 106613, 123015, 135525, 205025, 225875, 287625, 319839, 533065, 615075, 677625, 1025125, 1599195, 2665325, 3075375, 7995975, 13326625, 39979875]

約数ペア:

[(1, 39979875), (3, 13326625), (5, 7995975), (13, 3075375), (15, 2665325), (25, 1599195), (39, 1025125), (59, 677625), (65, 615075), (75, 533065), (125, 319839), (139, 287625), (177, 225875), (195, 205025), (295, 135525), (325, 123015), (375, 106613), (417, 95875), (695, 57525), (767, 52125), (885, 45175), (975, 41005), (1475, 27105), (1625, 24603), (1807, 22125), (2085, 19175), (2301, 17375), (3475, 11505), (3835, 10425), (4425, 9035), (4875, 8201), (5421, 7375)]