13228425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 27932736

約数和(自身を除く): 14704311

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 37, 45, 63, 75, 105, 111, 175, 185, 225, 227, 259, 315, 333, 525, 555, 681, 777, 925, 1135, 1295, 1575, 1589, 1665, 2043, 2331, 2775, 3405, 3885, 4767, 5675, 6475, 7945, 8325, 8399, 10215, 11655, 14301, 17025, 19425, 23835, 25197, 39725, 41995, 51075, 58275, 58793, 71505, 75591, 119175, 125985, 176379, 209975, 293965, 357525, 377955, 529137, 629925, 881895, 1469825, 1889775, 2645685, 4409475, 13228425]

約数ペア:

[(1, 13228425), (3, 4409475), (5, 2645685), (7, 1889775), (9, 1469825), (15, 881895), (21, 629925), (25, 529137), (35, 377955), (37, 357525), (45, 293965), (63, 209975), (75, 176379), (105, 125985), (111, 119175), (175, 75591), (185, 71505), (225, 58793), (227, 58275), (259, 51075), (315, 41995), (333, 39725), (525, 25197), (555, 23835), (681, 19425), (777, 17025), (925, 14301), (1135, 11655), (1295, 10215), (1575, 8399), (1589, 8325), (1665, 7945), (2043, 6475), (2331, 5675), (2775, 4767), (3405, 3885)]